Steel Pipe | McMaster-Carr

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Stainless Steel

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UN/UNF (SAE 45°)

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Stainless Steel

For Use With

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High-Polish Quick-Clamp Fittings

Nonabrasive Slurries

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Stainless Steel

DFARS Specialty Metals

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26,362 Products

Fluid Handling

Pipe Nipples and Pipe

Pipe Nipples and Pipe

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Fitting Clamps

Pipe Fitting Clamps

Connect easy-access and grooved-end pipe fittings to pipe

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Rotary Unions

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Duct Hose and Fittings

Duct Hose and Fittings

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquids

Gauge Siphon Tubes

Gauge Siphon Tubes

Fill with water to protect dry gauges from steam and high-temperature liquids; also called pigtails

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Heating, Ventilation, and Air Conditioning

Duct and Duct Fittings

Duct and Duct Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Building and Machinery Hardware

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Facility and Grounds Maintenance

Sink Drain Tailpieces

Sink Drain Tailpieces

Connect drains to P-traps and S-traps

Sink Drains

Empty liquids from sinks into sewer lines

Lighting

Lamp Pipe

Connect lamp components and conceal wires when building or repairing lamps

Communication

Pipe Markers

Identify pipe contents and flow in a range of environments

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)